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Finding the Fourth Proportional to 67,935.95, 101,871.13 and 28,482.47

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Solution

The fourth proportional to 67,935.95, 101,871.13 and 28,482.47 is: 42,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,935.95 : 101,871.13 = 28,482.47 : x
  2. Step 2: Convert to fraction form
    67,935.95/101,871.13 = 28,482.47/x
  3. Step 3: Cross multiply
    67,935.95x = 101,871.13 × 28,482.47
  4. Step 4: Simplify right side
    67,935.95x = 2,901,541,404.09
  5. Step 5: Solve for x
    x = 2,901,541,404.09/67,935.95
  6. Step 6: Final answer
    x = 42,709.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.